SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Jan. 31, 2016

Schedule of Fair Value of Financial Instruments [Table Text Block]

		January 31, 2016								April 30, 2015
		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Marketable securities	$	242,266	$	—	$	—	$	242,266	$	359,857	$	—	$	—	$	359,857
Total assets at fair value	$	242,266	$	—	$	—	$	242,266	$	359,857	$	—	$	—	$	359,857